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We calculate the current correlations for the steady-state electron transport through multi-level parallel quantum dots embedded in a short quantum wire, that is placed in a non-perfect photon cavity. We account for the electron-electron…

介观与纳米尺度物理 · 物理学 2018-05-23 Vidar Gudmundsson , Nzar Rauf Abdullah , Anna Sitek , Hsi-Sheng Goan , Chi-Shung Tang , Andrei Manolescu

We show that a Rabi-splitting of the states of strongly interacting electrons in parallel quantum dots embedded in a short quantum wire placed in a photon cavity can be produced by either the para- or the dia-magnetic electron-photon…

介观与纳米尺度物理 · 物理学 2018-03-08 Vidar Gudmundsson , Nzar Rauf Abdullah , Anna Sitek , Hsi-Sheng Goan , Chi-Shung Tang , Andrei Manolescu

We model the electron transport current as the photon energy is swept through several resonances of a multi-level quantum dot, embedded in a short quantum wire, coupled to photon cavity. We use a Markovian quantum master equation…

介观与纳米尺度物理 · 物理学 2020-06-12 Nzar Rauf Abdullah , Chi-Shung Tang , Andrei Manolescu , Vidar Gudmundsson

We model theoretically the time-dependent transport through an asymmetric double quantum dot etched in a two-dimensional wire embedded in a FIR photon cavity. For the transient and the intermediate time regimes the currents and the average…

介观与纳米尺度物理 · 物理学 2019-03-15 Vidar Gudmundsson , Hallmann Gestsson , Nzar Rauf Abdullah , Chi-Shung Tang , Andrei Manolescu , Valeriu Moldoveanu

A single cavity photon mode is expected to modify the Coulomb interaction of an electron system in the cavity. Here we investigate this phenomena in a parallel double quantum dot system. We explore properties of the closed system and the…

介观与纳米尺度物理 · 物理学 2016-05-17 Vidar Gudmundsson , Anna Sitek , Nzar Rauf Abdullah , Chi-Shung Tang , Andrei Manolescu

We study the electronic transport through a pair of distant nanosystems ($S_a$ and $S_b$) embedded in a single-mode cavity. Each system is connected to source and drain particle reservoirs and the electron-photon coupling is described by…

介观与纳米尺度物理 · 物理学 2019-09-16 Valeriu Moldoveanu , Ion Viorel Dinu , Andrei Manolescu , Vidar Gudmundsson

We study electron transport through double quantum dots (DQD) coupled to a cavity with a single photon mode. The DQD is connected to two electron reservoirs, and the total system is under an external perpendicular magnetic field. The DQD…

介观与纳米尺度物理 · 物理学 2022-07-05 Halo Anwar Abdulkhalaq , Nzar Rauf Abdullah , Vidar Gudmundsson

We use a non-Markovian master equation to describe the transport of Coulomb interacting electrons through an electromagnetic cavity with one quantized photon mode. The central system is a finite parabolic quantum wire that is coupled weakly…

介观与纳米尺度物理 · 物理学 2012-03-15 Vidar Gudmundsson , Olafur Jonasson , Chi-Shung Tang , Hsi-Sheng Goan , Andrei Manolescu

When an atom is strongly coupled to a cavity, the two systems can exchange a single photon through a coherent Rabi oscillation. This process enables precise quantum-state engineering and manipulation of atoms and photons in a cavity, which…

Semiconductor quantum dots in photonic cavities are strongly coupled light-matter systems with prospective applications in optoelectronic devices and quantum information processing. Here we present a theoretical study of the coupled…

介观与纳米尺度物理 · 物理学 2020-06-16 K. Jürgens , F. Lengers , T. Kuhn , D. E. Reiter

We examine cold atomic collisions within a resonant optical cavity. The quantized cavity mode can be used to manipulate the collisions between the cold atoms, such that periodic exchange of excitations between the atoms and the…

量子物理 · 物理学 2009-11-07 J. I. Kim , P. Nussenzveig

Coherent light-matter interaction at the single photon and electronic qubit level promises the remarkable potential for nonclassical information processing. Against the efforts of improving the figure of merit of the cavities, here we…

量子物理 · 物理学 2015-06-19 Yong-Chun Liu , Xingsheng Luan , Hao-Kun Li , Qihuang Gong , Chee Wei Wong , Yun-Feng Xiao

We consider a two-photon Rabi model with one of the cavity mirrors connected by a mechanical oscillator in strong-coupling regime. We find that when the cavity is in its vacuum state, there exists a resonant coupling between the atom and…

量子物理 · 物理学 2021-06-29 Miao Yin

Molecular polaritons arise from electronic or vibrational strong coupling (ESC and VSC) with confined electromagnetic fields. While these have been widely studied, the influence of electron-nuclear dynamics in driven cavities remains…

When an atom strongly couples to a cavity, it can undergo coherent vacuum Rabi oscillations. Controlling these oscillatory dynamics quickly relative to the vacuum Rabi frequency enables remarkable capabilities such as Fock state generation…

光学 · 物理学 2014-10-31 Ranojoy Bose , Tao Cai , Kaushik Roy Choudhury , Glenn S. Solomon , Edo Waks

We study electron transport properties through a double quantum dot (DQD) system coupled to a single mode photon cavity, DQD-cavity. The DQD system has a complex multilevel energy spectrum, in which by tuning the photon energy several…

介观与纳米尺度物理 · 物理学 2022-07-04 Halo Anwar Abdulkhalaq , Nzar Rauf Abdullah , Vidar Gudmundsson

We present new results on cavity-photon-assisted electron transport through two lateral quantum dots embedded in a finite quantum wire. The double quantum dot system is weakly connected to two leads and strongly coupled to a single…

介观与纳米尺度物理 · 物理学 2014-09-17 Nzar Rauf Abdullah , Chi-Shung Tang , Andrei Manolescu , Vidar Gudmundsson

Rabi oscillations typify the inherent nonlinearity of optical excitations in quantum dots. Using an integral kernel formulation to solve the 3D Maxwell-Bloch equations in ensembles of up to $10^4$ quantum dots, we observe features in Rabi…

原子与分子团簇 · 物理学 2017-09-13 Connor Glosser , B. Shanker , Carlo Piermarocchi

The strong coupling regime is observed in a system of two-dimensional electrons whose cyclotron motion is coupled to an electro-magnetic mode in a Fabry-Perot cavity resonator. The Rabi splitting of eigenfrequencies of coupled motion is…

介观与纳米尺度物理 · 物理学 2016-07-28 L. V. Abdurakhimov , R. Yamashiro , A. O. Badrutdinov , D. Konstantinov

We perform theoretical calculations to study steady-state electron transport in a double quantum dot, DQD, coupled to a quantized cavity photon field both in resonance and off-resonance regimes considering weak and strong coupling. In the…

介观与纳米尺度物理 · 物理学 2023-02-22 Halo Anwar Abdulkhalaq , Nzar Rauf Abdullah , Vidar Gudmundsson
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